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http://hdl.handle.net/1942/13890
Title: | Luminescence of LaF3:Ln3+ Nanocrystal Dispersions in Ionic Liquids | Authors: | Lunstroot, Kyra BAETEN, Linny Nockemann, Peter Martens, Johan A. Verlooy, Pieter Ye, Xingpu Görller-Walrand, Christiane Binnemans, Koen Driesen, Kris |
Issue Date: | 2009 | Source: | Journal of Physical Chemistry C, 113 (31), p. 13532-13538 | Abstract: | Ionic liquids were used as solvents for dispersing luminescent lanthanide-doped LaF3:Ln3+ nanocrystals (Ln3+ ) Eu3+ and Nd3+). To increase the solubility of the inorganic nanoparticles in the ionic liquids, the nanocrystals were prepared with different stabilizing ligands, i.e., citrate, N,N,N-trimethylglycine (betaine), and lauryldi- methylglycine (lauryl betaine). LaF3:5%Ln3+:betaine could successfully be dispersed in 1-butyl-1-methylpyr- rolidinium bis(trifluoromethylsulfonyl)imide [C4mpyr][Tf2N], 1-butyl-1-methylpyrrolidinium trifluoromethane- sulfonate [C4mpyr][TfO], and 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C4mim][Tf2N] but only in limited amounts. Red photoluminescence was observed for the europium(III)-containing nanoparticles and near-infrared luminescence for the neodymium(III)-containing systems. | Document URI: | http://hdl.handle.net/1942/13890 | ISSN: | 1932-7447 | e-ISSN: | 1932-7455 | DOI: | 10.1021/jp9015118 | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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